Greater blind mole-rat: Difference between revisions
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Spalax |
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| species = microphthalmus |
| species = microphthalmus |
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| authority = [[Johann Anton Güldenstädt|Gueldenstaedt]], 1770 |
| authority = [[Johann Anton Güldenstädt|Gueldenstaedt]], 1770 |
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| synonyms = * '' |
| synonyms = * ''Spalax pallasii'' <small>Nordmann, 1839</small> |
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* '' |
* ''Spalax typhlus'' <small>Pallas, 1779</small> |
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Revision as of 19:18, 12 September 2021
| Greater mole-rat | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Spalacidae |
| Genus: | Spalax |
| Species: | S. microphthalmus
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| Binomial name | |
| Spalax microphthalmus Gueldenstaedt, 1770
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| Synonyms | |
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The greater mole-rat (Spalax microphthalmus) is a species of rodent in the family Spalacidae.[2] It is found in Russia and Ukraine.
Description
The greater mole-rat is tailless. The eyes are covered by a membrane of skin and have atrophied lens cells enclosed in a vesicle and a retinal layer. It has prominent incisor teeth, which are used for burrowing. The fur is greyish, but can vary in color. It can grow to a size of 31 cm (12 in) and weigh up to 570 g (20 oz). Its dental formula is 1.0.0.31.0.0.3 [3]
Distribution and habitat
The greater mole-rat is known from the steppes of Ukraine and from southern Russia between the Dnieper and the Volga rivers. Its range extends northwards to the Oryol to Kursk railway line and southwards to the North Caucasus.[4] It favours lowland habitats with black earth, avoiding sandy or loamy soils. It inhabits steppes and forest steppes, agricultural land, plantations, orchards and gardens and can be a pest.[1]
Behavior
The greater mole-rat is a fossorial species that stays underground except when dispersing to new territories as juveniles, a period of great vulnerability. It lives a solitary existence, except during the breeding season. Due to its atrophied eyes it is totally blind. The paws are not modified like the ones of the moles; it digs with its incisor teeth instead.[3]
It is a herbivore and feeds on the roots of such plants as dandelions, umbellifers, chicory and tree seedlings, approaching them from underneath. It gathers excess food and stores it in its burrow, sometimes as much as 14 kg (30 lb) being collected. Breeding takes place once a year with a litter of two to five young being born in March.[1]
Status
In general the greater mole-rat is a common species, but somewhat patchily distributed. The International Union for Conservation of Nature has rated its conservation status as being of "least concern"[1]
References
- ^ a b c d Tsytsulina, K.; Formozov, N.; Zagorodnyuk, I. & Sheftel, B. (2008). "Spalax microphthalmus". IUCN Red List of Threatened Species. 2008. Retrieved 19 June 2012.
- ^ Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 921. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ a b MacDonald, David; Priscilla Barret (1993). Mammals of Britain & Europe. Vol. 1. London: HarperCollins. p. 239. ISBN 0-00-219779-0.
- ^ Don E. Wilson; DeeAnn M. Reeder (2005). Mammal Species of the World: A Taxonomic and Geographic Reference. JHU Press. p. 921. ISBN 978-0-8018-8221-0.